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Porphyry copper-gold deposits form in a variety of volcanic environments, most commonly in continental margins and intra-oceanic arcs. These are large scale magmatic-hydrothermal systems associated with a series of porphyritic intrusions, which result in extensive alteration footprints that we map and model to target high grade copper-gold mineralization. As in Ridgway Australia (Wilson et al 2003) and Red Chris in Canada (Norris, 2012) , the Hat porphyry deposits form in

Gold in Porphyry Deposits: Porphyry Deposits are defined as large tonnage mineral deposits with, variously, valuable amounts of copper, molybdenum, gold and silver and combinations of one or more of those metals. Related metals may include iron (magnetite), titanium, rhenium and zinc. For discussion purposes deposits are further defined as alkalic and calc-alkalic, each of which has distinctly different characteristics; a few deposits have aspects of both. Alkalic porphyries usually